Lecture 1

Question 1

Immunity is

Answer 1

Protection against foreign
pathogens or substances

Question 2

Forms of Immunity

Answer 2

1. Innate Immunity
2. Adaptive Immunity

Question 3

Innate Immunity

Answer 3

Found in both invertebrates and vertebrates

Question 4

Function of Innate Immunity

Answer 4

1. Preventative defenses
2. General response against common antigens/ pathogens
3. Less specific than adaptive immunity
4. In ALL multi-cellular organisms
5. ALWAYS on

Question 5

Adaptive Immunity

Answer 5

Not found in invertebrates; only vertebrates

Question 6

Function of Adaptive Immunity

Answer 6

1. Tailored responses to specific antigen/ pathogens
2. Crispr system in some bacteria and some arched

Question 7

Example of Innate Immunity

Answer 7

Human Skin
1. Forms a physical barrier
2. Forms a chemical barrier

2. Z

Question 8

Innate Immune Cells

Answer 8

1. Macrophage
2. Monocytes
3. Neutrophils
4. Mast cells
5. Dendritic cells
6. NK cells

Question 9

Example of Adaptive Immunity

Answer 9

Human Skin
1. Antigen-specific Immune Cells
B-cells: humoral immunity
T-cells: cell-mediated immunity

Question 10

B-cells

Answer 10

Plasma cells that produce antibodies

Question 11

T-Cells

Answer 11

Unlimited binding; recognizes P-cells on the surface of the infected cells